U.S. stocks tick down as Apple drags tech sector lowerChina, Zambia to Boost Cooperation as Ties ElevatedChina's tech giants spend big on digital 'red envelope war' to gain more mobile usersXi Sends Congratulatory Letter to ChinaBeverage grading system launched in ShanghaiChina AI industry to see scale reach over $240 blnChina cuts 88 bln yuan in logistics costs in 2017Xi Story: President Xi's Sports AspirationGuangdong's manufacturers stand out from packYearender: Silicon Valley keeps trends as Artificial Intelligence goes mainstream in 2017